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An Optical Method of obtaining the Frequency Response of a Lens

โœ Scribed by HACKING, K.


Book ID
109596297
Publisher
Nature Publishing Group
Year
1958
Tongue
English
Weight
206 KB
Volume
181
Category
Article
ISSN
0028-0836

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A METHOD TO OBTAIN EXACT FREQUENCY CHARA
โœ Z.L. QIU; A.K. TIEU ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 121 KB

Accurate frequency characteristics are critical in some dynamics measurement. Power leakage in FFT can result in considerable error in the calculation of the frequency characteristics. In this paper, an optimising approach is developed to determine the exact frequencies of experimental harmonic sign